/* $FreeBSD$ */ /* * Copyright (c) 2000-01 Intel Corporation * All Rights Reserved * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions, and the following disclaimer, * without modification, immediately at the beginning of the file. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ /* * iir.c: SCSI dependant code for the Intel Integrated RAID Controller driver * * Written by: Achim Leubner * Fixes/Additions: Boji Tony Kannanthanam * * credits: Niklas Hallqvist; OpenBSD driver for the ICP Controllers. * Mike Smith; Some driver source code. * FreeBSD.ORG; Great O/S to work on and for. * * TODO: */ #ident "$Id: iir.c 1.2 2001/06/21 20:28:32 achim Exp $" #define _IIR_C_ /* #include "opt_iir.h" */ #include #include #include #include #include #include #include #include /* For offsetof */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include struct gdt_softc *gdt_wait_gdt; int gdt_wait_index; #ifdef GDT_DEBUG int gdt_debug = GDT_DEBUG; #ifdef __SERIAL__ #define MAX_SERBUF 160 static void ser_init(void); static void ser_puts(char *str); static void ser_putc(int c); static char strbuf[MAX_SERBUF+1]; #ifdef __COM2__ #define COM_BASE 0x2f8 #else #define COM_BASE 0x3f8 #endif static void ser_init() { unsigned port=COM_BASE; outb(port+3, 0x80); outb(port+1, 0); /* 19200 Baud, if 9600: outb(12,port) */ outb(port, 6); outb(port+3, 3); outb(port+1, 0); } static void ser_puts(char *str) { char *ptr; ser_init(); for (ptr=str;*ptr;++ptr) ser_putc((int)(*ptr)); } static void ser_putc(int c) { unsigned port=COM_BASE; while ((inb(port+5) & 0x20)==0); outb(port, c); if (c==0x0a) { while ((inb(port+5) & 0x20)==0); outb(port, 0x0d); } } int ser_printf(const char *fmt, ...) { va_list args; int i; va_start(args,fmt); i = vsprintf(strbuf,fmt,args); ser_puts(strbuf); va_end(args); return i; } #endif #endif /* The linked list of softc structures */ struct gdt_softc_list gdt_softcs = TAILQ_HEAD_INITIALIZER(gdt_softcs); /* controller cnt. */ int gdt_cnt = 0; /* event buffer */ static gdt_evt_str ebuffer[GDT_MAX_EVENTS]; static int elastidx, eoldidx; /* statistics */ gdt_statist_t gdt_stat; /* Definitions for our use of the SIM private CCB area */ #define ccb_sim_ptr spriv_ptr0 #define ccb_priority spriv_field1 static void iir_action(struct cam_sim *sim, union ccb *ccb); static void iir_poll(struct cam_sim *sim); static void iir_shutdown(void *arg, int howto); static void iir_timeout(void *arg); static void iir_watchdog(void *arg); static void gdt_eval_mapping(u_int32_t size, int *cyls, int *heads, int *secs); static int gdt_internal_cmd(struct gdt_softc *gdt, struct gdt_ccb *gccb, u_int8_t service, u_int16_t opcode, u_int32_t arg1, u_int32_t arg2, u_int32_t arg3); static int gdt_wait(struct gdt_softc *gdt, struct gdt_ccb *ccb, int timeout); static struct gdt_ccb *gdt_get_ccb(struct gdt_softc *gdt); static u_int32_t gdt_ccb_vtop(struct gdt_softc *gdt, struct gdt_ccb *gccb); static int gdt_sync_event(struct gdt_softc *gdt, int service, u_int8_t index, struct gdt_ccb *gccb); static int gdt_async_event(struct gdt_softc *gdt, int service); static struct gdt_ccb *gdt_raw_cmd(struct gdt_softc *gdt, union ccb *ccb, int *lock); static struct gdt_ccb *gdt_cache_cmd(struct gdt_softc *gdt, union ccb *ccb, int *lock); static struct gdt_ccb *gdt_ioctl_cmd(struct gdt_softc *gdt, gdt_ucmd_t *ucmd, int *lock); static void gdt_internal_cache_cmd(struct gdt_softc *gdt,union ccb *ccb); static void gdtmapmem(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error); static void gdtexecuteccb(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error); int iir_init(struct gdt_softc *gdt) { u_int16_t cdev_cnt; int i, id, drv_cyls, drv_hds, drv_secs; struct gdt_ccb *gccb; GDT_DPRINTF(GDT_D_DEBUG, ("iir_init()\n")); gdt->sc_state = GDT_POLLING; gdt_clear_events(); bzero(&gdt_stat, sizeof(gdt_statist_t)); SLIST_INIT(&gdt->sc_free_gccb); SLIST_INIT(&gdt->sc_pending_gccb); TAILQ_INIT(&gdt->sc_ccb_queue); TAILQ_INIT(&gdt->sc_ucmd_queue); TAILQ_INSERT_TAIL(&gdt_softcs, gdt, links); /* DMA tag for mapping buffers into device visible space. */ if (bus_dma_tag_create(gdt->sc_parent_dmat, /*alignment*/1, /*boundary*/0, /*lowaddr*/BUS_SPACE_MAXADDR, /*highaddr*/BUS_SPACE_MAXADDR, /*filter*/NULL, /*filterarg*/NULL, /*maxsize*/MAXBSIZE, /*nsegments*/GDT_MAXSG, /*maxsegsz*/BUS_SPACE_MAXSIZE_32BIT, /*flags*/BUS_DMA_ALLOCNOW, &gdt->sc_buffer_dmat) != 0) { printf("iir%d: bus_dma_tag_create(...,gdt->sc_buffer_dmat) failed\n", gdt->sc_hanum); return (1); } gdt->sc_init_level++; /* DMA tag for our ccb structures */ if (bus_dma_tag_create(gdt->sc_parent_dmat, /*alignment*/1, /*boundary*/0, /*lowaddr*/BUS_SPACE_MAXADDR, /*highaddr*/BUS_SPACE_MAXADDR, /*filter*/NULL, /*filterarg*/NULL, GDT_MAXCMDS * sizeof(struct gdt_ccb), /*nsegments*/1, /*maxsegsz*/BUS_SPACE_MAXSIZE_32BIT, /*flags*/0, &gdt->sc_gccb_dmat) != 0) { printf("iir%d: bus_dma_tag_create(...,gdt->sc_gccb_dmat) failed\n", gdt->sc_hanum); return (1); } gdt->sc_init_level++; /* Allocation for our ccbs */ if (bus_dmamem_alloc(gdt->sc_gccb_dmat, (void **)&gdt->sc_gccbs, BUS_DMA_NOWAIT, &gdt->sc_gccb_dmamap) != 0) { printf("iir%d: bus_dmamem_alloc(...,&gdt->sc_gccbs,...) failed\n", gdt->sc_hanum); return (1); } gdt->sc_init_level++; /* And permanently map them */ bus_dmamap_load(gdt->sc_gccb_dmat, gdt->sc_gccb_dmamap, gdt->sc_gccbs, GDT_MAXCMDS * sizeof(struct gdt_ccb), gdtmapmem, &gdt->sc_gccb_busbase, /*flags*/0); gdt->sc_init_level++; /* Clear them out. */ bzero(gdt->sc_gccbs, GDT_MAXCMDS * sizeof(struct gdt_ccb)); /* Initialize the ccbs */ for (i = GDT_MAXCMDS-1; i >= 0; i--) { gdt->sc_gccbs[i].gc_cmd_index = i + 2; gdt->sc_gccbs[i].gc_flags = GDT_GCF_UNUSED; gdt->sc_gccbs[i].gc_map_flag = FALSE; if (bus_dmamap_create(gdt->sc_buffer_dmat, /*flags*/0, &gdt->sc_gccbs[i].gc_dmamap) != 0) return(1); gdt->sc_gccbs[i].gc_map_flag = TRUE; SLIST_INSERT_HEAD(&gdt->sc_free_gccb, &gdt->sc_gccbs[i], sle); } gdt->sc_init_level++; /* create the control device */ gdt->sc_dev = gdt_make_dev(gdt->sc_hanum); /* allocate ccb for gdt_internal_cmd() */ gccb = gdt_get_ccb(gdt); if (gccb == NULL) { printf("iir%d: No free command index found\n", gdt->sc_hanum); return (1); } if (!gdt_internal_cmd(gdt, gccb, GDT_SCREENSERVICE, GDT_INIT, 0, 0, 0)) { printf("iir%d: Screen service initialization error %d\n", gdt->sc_hanum, gdt->sc_status); gdt_free_ccb(gdt, gccb); return (1); } if (!gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_INIT, GDT_LINUX_OS, 0, 0)) { printf("iir%d: Cache service initialization error %d\n", gdt->sc_hanum, gdt->sc_status); gdt_free_ccb(gdt, gccb); return (1); } gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_UNFREEZE_IO, 0, 0, 0); if (!gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_MOUNT, 0xffff, 1, 0)) { printf("iir%d: Cache service mount error %d\n", gdt->sc_hanum, gdt->sc_status); gdt_free_ccb(gdt, gccb); return (1); } if (!gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_INIT, GDT_LINUX_OS, 0, 0)) { printf("iir%d: Cache service post-mount initialization error %d\n", gdt->sc_hanum, gdt->sc_status); gdt_free_ccb(gdt, gccb); return (1); } cdev_cnt = (u_int16_t)gdt->sc_info; gdt->sc_fw_vers = gdt->sc_service; /* Detect number of buses */ gdt_enc32(gccb->gc_scratch + GDT_IOC_VERSION, GDT_IOC_NEWEST); gccb->gc_scratch[GDT_IOC_LIST_ENTRIES] = GDT_MAXBUS; gccb->gc_scratch[GDT_IOC_FIRST_CHAN] = 0; gccb->gc_scratch[GDT_IOC_LAST_CHAN] = GDT_MAXBUS - 1; gdt_enc32(gccb->gc_scratch + GDT_IOC_LIST_OFFSET, GDT_IOC_HDR_SZ); if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_IOCTL, GDT_IOCHAN_RAW_DESC, GDT_INVALID_CHANNEL, GDT_IOC_HDR_SZ + GDT_MAXBUS * GDT_RAWIOC_SZ)) { gdt->sc_bus_cnt = gccb->gc_scratch[GDT_IOC_CHAN_COUNT]; for (i = 0; i < gdt->sc_bus_cnt; i++) { id = gccb->gc_scratch[GDT_IOC_HDR_SZ + i * GDT_RAWIOC_SZ + GDT_RAWIOC_PROC_ID]; gdt->sc_bus_id[i] = id < GDT_MAXID_FC ? id : 0xff; } } else { /* New method failed, use fallback. */ for (i = 0; i < GDT_MAXBUS; i++) { gdt_enc32(gccb->gc_scratch + GDT_GETCH_CHANNEL_NO, i); if (!gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_IOCTL, GDT_SCSI_CHAN_CNT | GDT_L_CTRL_PATTERN, GDT_IO_CHANNEL | GDT_INVALID_CHANNEL, GDT_GETCH_SZ)) { if (i == 0) { printf("iir%d: Cannot get channel count, " "error %d\n", gdt->sc_hanum, gdt->sc_status); gdt_free_ccb(gdt, gccb); return (1); } break; } gdt->sc_bus_id[i] = (gccb->gc_scratch[GDT_GETCH_SIOP_ID] < GDT_MAXID_FC) ? gccb->gc_scratch[GDT_GETCH_SIOP_ID] : 0xff; } gdt->sc_bus_cnt = i; } /* add one "virtual" channel for the host drives */ gdt->sc_virt_bus = gdt->sc_bus_cnt; gdt->sc_bus_cnt++; if (!gdt_internal_cmd(gdt, gccb, GDT_SCSIRAWSERVICE, GDT_INIT, 0, 0, 0)) { printf("iir%d: Raw service initialization error %d\n", gdt->sc_hanum, gdt->sc_status); gdt_free_ccb(gdt, gccb); return (1); } /* Set/get features raw service (scatter/gather) */ gdt->sc_raw_feat = 0; if (gdt_internal_cmd(gdt, gccb, GDT_SCSIRAWSERVICE, GDT_SET_FEAT, GDT_SCATTER_GATHER, 0, 0)) { if (gdt_internal_cmd(gdt, gccb, GDT_SCSIRAWSERVICE, GDT_GET_FEAT, 0, 0, 0)) { gdt->sc_raw_feat = gdt->sc_info; if (!(gdt->sc_info & GDT_SCATTER_GATHER)) { panic("iir%d: Scatter/Gather Raw Service " "required but not supported!\n", gdt->sc_hanum); gdt_free_ccb(gdt, gccb); return (1); } } } /* Set/get features cache service (scatter/gather) */ gdt->sc_cache_feat = 0; if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_SET_FEAT, 0, GDT_SCATTER_GATHER, 0)) { if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_GET_FEAT, 0, 0, 0)) { gdt->sc_cache_feat = gdt->sc_info; if (!(gdt->sc_info & GDT_SCATTER_GATHER)) { panic("iir%d: Scatter/Gather Cache Service " "required but not supported!\n", gdt->sc_hanum); gdt_free_ccb(gdt, gccb); return (1); } } } /* Scan for cache devices */ for (i = 0; i < cdev_cnt && i < GDT_MAX_HDRIVES; i++) { if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_INFO, i, 0, 0)) { gdt->sc_hdr[i].hd_present = 1; gdt->sc_hdr[i].hd_size = gdt->sc_info; /* * Evaluate mapping (sectors per head, heads per cyl) */ gdt->sc_hdr[i].hd_size &= ~GDT_SECS32; if (gdt->sc_info2 == 0) gdt_eval_mapping(gdt->sc_hdr[i].hd_size, &drv_cyls, &drv_hds, &drv_secs); else { drv_hds = gdt->sc_info2 & 0xff; drv_secs = (gdt->sc_info2 >> 8) & 0xff; drv_cyls = gdt->sc_hdr[i].hd_size / drv_hds / drv_secs; } gdt->sc_hdr[i].hd_heads = drv_hds; gdt->sc_hdr[i].hd_secs = drv_secs; /* Round the size */ gdt->sc_hdr[i].hd_size = drv_cyls * drv_hds * drv_secs; if (gdt_internal_cmd(gdt, gccb, GDT_CACHESERVICE, GDT_DEVTYPE, i, 0, 0)) gdt->sc_hdr[i].hd_devtype = gdt->sc_info; } } GDT_DPRINTF(GDT_D_INIT, ("dpmem %x %d-bus %d cache device%s\n", gdt->sc_dpmembase, gdt->sc_bus_cnt, cdev_cnt, cdev_cnt == 1 ? "" : "s")); gdt_free_ccb(gdt, gccb); gdt_cnt++; return (0); } void iir_free(struct gdt_softc *gdt) { int i; GDT_DPRINTF(GDT_D_INIT, ("iir_free()\n")); switch (gdt->sc_init_level) { default: gdt_destroy_dev(gdt->sc_dev); case 5: for (i = GDT_MAXCMDS-1; i >= 0; i--) if (gdt->sc_gccbs[i].gc_map_flag) bus_dmamap_destroy(gdt->sc_buffer_dmat, gdt->sc_gccbs[i].gc_dmamap); bus_dmamap_unload(gdt->sc_gccb_dmat, gdt->sc_gccb_dmamap); case 4: bus_dmamem_free(gdt->sc_gccb_dmat, gdt->sc_gccbs, gdt->sc_gccb_dmamap); case 3: bus_dma_tag_destroy(gdt->sc_gccb_dmat); case 2: bus_dma_tag_destroy(gdt->sc_buffer_dmat); case 1: bus_dma_tag_destroy(gdt->sc_parent_dmat); case 0: break; } TAILQ_REMOVE(&gdt_softcs, gdt, links); } void iir_attach(struct gdt_softc *gdt) { struct cam_devq *devq; int i; GDT_DPRINTF(GDT_D_INIT, ("iir_attach()\n")); /* * Create the device queue for our SIM. */ devq = cam_simq_alloc(GDT_MAXCMDS); if (devq == NULL) return; for (i = 0; i < gdt->sc_bus_cnt; i++) { /* * Construct our SIM entry */ gdt->sims[i] = cam_sim_alloc(iir_action, iir_poll, "iir", gdt, gdt->sc_hanum, /*untagged*/2, /*tagged*/GDT_MAXCMDS, devq); if (xpt_bus_register(gdt->sims[i], i) != CAM_SUCCESS) { cam_sim_free(gdt->sims[i], /*free_devq*/i == 0); break; } if (xpt_create_path(&gdt->paths[i], /*periph*/NULL, cam_sim_path(gdt->sims[i]), CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { xpt_bus_deregister(cam_sim_path(gdt->sims[i])); cam_sim_free(gdt->sims[i], /*free_devq*/i == 0); break; } } if (i > 0) EVENTHANDLER_REGISTER(shutdown_final, iir_shutdown, gdt, SHUTDOWN_PRI_DEFAULT); /* iir_watchdog(gdt); */ gdt->sc_state = GDT_NORMAL; } static void gdt_eval_mapping(u_int32_t size, int *cyls, int *heads, int *secs) { *cyls = size / GDT_HEADS / GDT_SECS; if (*cyls < GDT_MAXCYLS) { *heads = GDT_HEADS; *secs = GDT_SECS; } else { /* Too high for 64 * 32 */ *cyls = size / GDT_MEDHEADS / GDT_MEDSECS; if (*cyls < GDT_MAXCYLS) { *heads = GDT_MEDHEADS; *secs = GDT_MEDSECS; } else { /* Too high for 127 * 63 */ *cyls = size / GDT_BIGHEADS / GDT_BIGSECS; *heads = GDT_BIGHEADS; *secs = GDT_BIGSECS; } } } static int gdt_wait(struct gdt_softc *gdt, struct gdt_ccb *gccb, int timeout) { int rv = 0; GDT_DPRINTF(GDT_D_INIT, ("gdt_wait(%p, %p, %d)\n", gdt, gccb, timeout)); gdt->sc_state |= GDT_POLL_WAIT; do { iir_intr(gdt); if (gdt == gdt_wait_gdt && gccb->gc_cmd_index == gdt_wait_index) { rv = 1; break; } DELAY(1); } while (--timeout); gdt->sc_state &= ~GDT_POLL_WAIT; while (gdt->sc_test_busy(gdt)) DELAY(1); /* XXX correct? */ return (rv); } static int gdt_internal_cmd(struct gdt_softc *gdt, struct gdt_ccb *gccb, u_int8_t service, u_int16_t opcode, u_int32_t arg1, u_int32_t arg2, u_int32_t arg3) { int retries; GDT_DPRINTF(GDT_D_CMD, ("gdt_internal_cmd(%p, %d, %d, %d, %d, %d)\n", gdt, service, opcode, arg1, arg2, arg3)); bzero(gdt->sc_cmd, GDT_CMD_SZ); for (retries = GDT_RETRIES; ; ) { gccb->gc_service = service; gccb->gc_flags = GDT_GCF_INTERNAL; gdt->sc_set_sema0(gdt); gdt_enc32(gdt->sc_cmd + GDT_CMD_COMMANDINDEX, gccb->gc_cmd_index); gdt_enc16(gdt->sc_cmd + GDT_CMD_OPCODE, opcode); switch (service) { case GDT_CACHESERVICE: if (opcode == GDT_IOCTL) { gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_IOCTL_SUBFUNC, arg1); gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_IOCTL_CHANNEL, arg2); gdt_enc16(gdt->sc_cmd + GDT_CMD_UNION + GDT_IOCTL_PARAM_SIZE, (u_int16_t)arg3); gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_IOCTL_P_PARAM, gdt_ccb_vtop(gdt, gccb) + offsetof(struct gdt_ccb, gc_scratch[0])); } else { gdt_enc16(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_DEVICENO, (u_int16_t)arg1); gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKNO, arg2); } break; case GDT_SCSIRAWSERVICE: gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_DIRECTION, arg1); gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_BUS] = (u_int8_t)arg2; gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_TARGET] = (u_int8_t)arg3; gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_LUN] = (u_int8_t)(arg3 >> 8); } gdt->sc_cmd_len = GDT_CMD_SZ; gdt->sc_cmd_off = 0; gdt->sc_cmd_cnt = 0; gdt->sc_copy_cmd(gdt, gccb); gdt->sc_release_event(gdt); DELAY(20); if (!gdt_wait(gdt, gccb, GDT_POLL_TIMEOUT)) return (0); if (gdt->sc_status != GDT_S_BSY || --retries == 0) break; DELAY(1); } return (gdt->sc_status == GDT_S_OK); } static struct gdt_ccb * gdt_get_ccb(struct gdt_softc *gdt) { struct gdt_ccb *gccb; int lock; GDT_DPRINTF(GDT_D_QUEUE, ("gdt_get_ccb(%p)\n", gdt)); lock = splcam(); gccb = SLIST_FIRST(&gdt->sc_free_gccb); if (gccb != NULL) { SLIST_REMOVE_HEAD(&gdt->sc_free_gccb, sle); SLIST_INSERT_HEAD(&gdt->sc_pending_gccb, gccb, sle); ++gdt_stat.cmd_index_act; if (gdt_stat.cmd_index_act > gdt_stat.cmd_index_max) gdt_stat.cmd_index_max = gdt_stat.cmd_index_act; } splx(lock); return (gccb); } void gdt_free_ccb(struct gdt_softc *gdt, struct gdt_ccb *gccb) { int lock; GDT_DPRINTF(GDT_D_QUEUE, ("gdt_free_ccb(%p, %p)\n", gdt, gccb)); lock = splcam(); gccb->gc_flags = GDT_GCF_UNUSED; SLIST_REMOVE(&gdt->sc_pending_gccb, gccb, gdt_ccb, sle); SLIST_INSERT_HEAD(&gdt->sc_free_gccb, gccb, sle); --gdt_stat.cmd_index_act; splx(lock); if (gdt->sc_state & GDT_SHUTDOWN) wakeup(gccb); } static u_int32_t gdt_ccb_vtop(struct gdt_softc *gdt, struct gdt_ccb *gccb) { return (gdt->sc_gccb_busbase + (u_int32_t)((caddr_t)gccb - (caddr_t)gdt->sc_gccbs)); } void gdt_next(struct gdt_softc *gdt) { int lock; union ccb *ccb; gdt_ucmd_t *ucmd; struct cam_sim *sim; int bus, target, lun; int next_cmd; struct ccb_scsiio *csio; struct ccb_hdr *ccbh; struct gdt_ccb *gccb = NULL; u_int8_t cmd; GDT_DPRINTF(GDT_D_QUEUE, ("gdt_next(%p)\n", gdt)); lock = splcam(); if (gdt->sc_test_busy(gdt)) { if (!(gdt->sc_state & GDT_POLLING)) { splx(lock); return; } while (gdt->sc_test_busy(gdt)) DELAY(1); } gdt->sc_cmd_cnt = gdt->sc_cmd_off = 0; next_cmd = TRUE; for (;;) { /* I/Os in queue? controller ready? */ if (!TAILQ_FIRST(&gdt->sc_ucmd_queue) && !TAILQ_FIRST(&gdt->sc_ccb_queue)) break; /* 1.: I/Os without ccb (IOCTLs) */ ucmd = TAILQ_FIRST(&gdt->sc_ucmd_queue); if (ucmd != NULL) { TAILQ_REMOVE(&gdt->sc_ucmd_queue, ucmd, links); if ((gccb = gdt_ioctl_cmd(gdt, ucmd, &lock)) == NULL) { TAILQ_INSERT_HEAD(&gdt->sc_ucmd_queue, ucmd, links); break; } break; /* wenn mehrere Kdos. zulassen: if (!gdt_polling) continue; */ } /* 2.: I/Os with ccb */ ccb = (union ccb *)TAILQ_FIRST(&gdt->sc_ccb_queue); /* ist dann immer != NULL, da oben getestet */ sim = (struct cam_sim *)ccb->ccb_h.ccb_sim_ptr; bus = cam_sim_bus(sim); target = ccb->ccb_h.target_id; lun = ccb->ccb_h.target_lun; TAILQ_REMOVE(&gdt->sc_ccb_queue, &ccb->ccb_h, sim_links.tqe); --gdt_stat.req_queue_act; /* ccb->ccb_h.func_code is XPT_SCSI_IO */ GDT_DPRINTF(GDT_D_QUEUE, ("XPT_SCSI_IO flags 0x%x)\n", ccb->ccb_h.flags)); csio = &ccb->csio; ccbh = &ccb->ccb_h; cmd = csio->cdb_io.cdb_bytes[0]; /* Max CDB length is 12 bytes */ if (csio->cdb_len > 12) { ccbh->status = CAM_REQ_INVALID; --gdt_stat.io_count_act; xpt_done(ccb); } else if (bus != gdt->sc_virt_bus) { /* raw service command */ if ((gccb = gdt_raw_cmd(gdt, ccb, &lock)) == NULL) { TAILQ_INSERT_HEAD(&gdt->sc_ccb_queue, &ccb->ccb_h, sim_links.tqe); ++gdt_stat.req_queue_act; if (gdt_stat.req_queue_act > gdt_stat.req_queue_max) gdt_stat.req_queue_max = gdt_stat.req_queue_act; next_cmd = FALSE; } } else if (target >= GDT_MAX_HDRIVES || !gdt->sc_hdr[target].hd_present || lun != 0) { ccbh->status = CAM_SEL_TIMEOUT; --gdt_stat.io_count_act; xpt_done(ccb); } else { /* cache service command */ if (cmd == READ_6 || cmd == WRITE_6 || cmd == READ_10 || cmd == WRITE_10) { if ((gccb = gdt_cache_cmd(gdt, ccb, &lock)) == NULL) { TAILQ_INSERT_HEAD(&gdt->sc_ccb_queue, &ccb->ccb_h, sim_links.tqe); ++gdt_stat.req_queue_act; if (gdt_stat.req_queue_act > gdt_stat.req_queue_max) gdt_stat.req_queue_max = gdt_stat.req_queue_act; next_cmd = FALSE; } } else { splx(lock); gdt_internal_cache_cmd(gdt, ccb); lock = splcam(); } } if ((gdt->sc_state & GDT_POLLING) || !next_cmd) break; } if (gdt->sc_cmd_cnt > 0) gdt->sc_release_event(gdt); splx(lock); if ((gdt->sc_state & GDT_POLLING) && gdt->sc_cmd_cnt > 0) { gdt_wait(gdt, gccb, GDT_POLL_TIMEOUT); } } static struct gdt_ccb * gdt_raw_cmd(struct gdt_softc *gdt, union ccb *ccb, int *lock) { struct gdt_ccb *gccb; struct cam_sim *sim; GDT_DPRINTF(GDT_D_CMD, ("gdt_raw_cmd(%p, %p)\n", gdt, ccb)); if (roundup(GDT_CMD_UNION + GDT_RAW_SZ, sizeof(u_int32_t)) + gdt->sc_cmd_off + GDT_DPMEM_COMMAND_OFFSET > gdt->sc_ic_all_size) { GDT_DPRINTF(GDT_D_INVALID, ("iir%d: gdt_raw_cmd(): DPMEM overflow\n", gdt->sc_hanum)); return (NULL); } bzero(gdt->sc_cmd, GDT_CMD_SZ); gccb = gdt_get_ccb(gdt); if (gccb == NULL) { GDT_DPRINTF(GDT_D_INVALID, ("iir%d: No free command index found\n", gdt->sc_hanum)); return (gccb); } sim = (struct cam_sim *)ccb->ccb_h.ccb_sim_ptr; gccb->gc_ccb = ccb; gccb->gc_service = GDT_SCSIRAWSERVICE; gccb->gc_flags = GDT_GCF_SCSI; if (gdt->sc_cmd_cnt == 0) gdt->sc_set_sema0(gdt); splx(*lock); gdt_enc32(gdt->sc_cmd + GDT_CMD_COMMANDINDEX, gccb->gc_cmd_index); gdt_enc16(gdt->sc_cmd + GDT_CMD_OPCODE, GDT_WRITE); gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_DIRECTION, (ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN ? GDT_DATA_IN : GDT_DATA_OUT); gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SDLEN, ccb->csio.dxfer_len); gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_CLEN, ccb->csio.cdb_len); bcopy(ccb->csio.cdb_io.cdb_bytes, gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_CMD, ccb->csio.cdb_len); gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_TARGET] = ccb->ccb_h.target_id; gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_LUN] = ccb->ccb_h.target_lun; gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_BUS] = cam_sim_bus(sim); gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_LEN, sizeof(struct scsi_sense_data)); gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_DATA, gdt_ccb_vtop(gdt, gccb) + offsetof(struct gdt_ccb, gc_scratch[0])); /* * If we have any data to send with this command, * map it into bus space. */ /* Only use S/G if there is a transfer */ if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { if ((ccb->ccb_h.flags & CAM_SCATTER_VALID) == 0) { if ((ccb->ccb_h.flags & CAM_DATA_PHYS) == 0) { int s; int error; /* vorher unlock von splcam() ??? */ s = splsoftvm(); error = bus_dmamap_load(gdt->sc_buffer_dmat, gccb->gc_dmamap, ccb->csio.data_ptr, ccb->csio.dxfer_len, gdtexecuteccb, gccb, /*flags*/0); if (error == EINPROGRESS) { xpt_freeze_simq(sim, 1); gccb->gc_state |= CAM_RELEASE_SIMQ; } splx(s); } else { struct bus_dma_segment seg; /* Pointer to physical buffer */ seg.ds_addr = (bus_addr_t)ccb->csio.data_ptr; seg.ds_len = ccb->csio.dxfer_len; gdtexecuteccb(gccb, &seg, 1, 0); } } else { struct bus_dma_segment *segs; if ((ccb->ccb_h.flags & CAM_DATA_PHYS) != 0) panic("iir%d: iir_action - Physical " "segment pointers unsupported", gdt->sc_hanum); if ((ccb->ccb_h.flags & CAM_SG_LIST_PHYS)==0) panic("iir%d: iir_action - Virtual " "segment addresses unsupported", gdt->sc_hanum); /* Just use the segments provided */ segs = (struct bus_dma_segment *)ccb->csio.data_ptr; gdtexecuteccb(gccb, segs, ccb->csio.sglist_cnt, 0); } } else { gdtexecuteccb(gccb, NULL, 0, 0); } *lock = splcam(); return (gccb); } static struct gdt_ccb * gdt_cache_cmd(struct gdt_softc *gdt, union ccb *ccb, int *lock) { struct gdt_ccb *gccb; struct cam_sim *sim; u_int8_t *cmdp; u_int16_t opcode; u_int32_t blockno, blockcnt; GDT_DPRINTF(GDT_D_CMD, ("gdt_cache_cmd(%p, %p)\n", gdt, ccb)); if (roundup(GDT_CMD_UNION + GDT_CACHE_SZ, sizeof(u_int32_t)) + gdt->sc_cmd_off + GDT_DPMEM_COMMAND_OFFSET > gdt->sc_ic_all_size) { GDT_DPRINTF(GDT_D_INVALID, ("iir%d: gdt_cache_cmd(): DPMEM overflow\n", gdt->sc_hanum)); return (NULL); } bzero(gdt->sc_cmd, GDT_CMD_SZ); gccb = gdt_get_ccb(gdt); if (gccb == NULL) { GDT_DPRINTF(GDT_D_DEBUG, ("iir%d: No free command index found\n", gdt->sc_hanum)); return (gccb); } sim = (struct cam_sim *)ccb->ccb_h.ccb_sim_ptr; gccb->gc_ccb = ccb; gccb->gc_service = GDT_CACHESERVICE; gccb->gc_flags = GDT_GCF_SCSI; if (gdt->sc_cmd_cnt == 0) gdt->sc_set_sema0(gdt); splx(*lock); gdt_enc32(gdt->sc_cmd + GDT_CMD_COMMANDINDEX, gccb->gc_cmd_index); cmdp = ccb->csio.cdb_io.cdb_bytes; opcode = (*cmdp == WRITE_6 || *cmdp == WRITE_10) ? GDT_WRITE : GDT_READ; if ((gdt->sc_state & GDT_SHUTDOWN) && opcode == GDT_WRITE) opcode = GDT_WRITE_THR; gdt_enc16(gdt->sc_cmd + GDT_CMD_OPCODE, opcode); gdt_enc16(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_DEVICENO, ccb->ccb_h.target_id); if (ccb->csio.cdb_len == 6) { struct scsi_rw_6 *rw = (struct scsi_rw_6 *)cmdp; blockno = scsi_3btoul(rw->addr) & ((SRW_TOPADDR<<16) | 0xffff); blockcnt = rw->length ? rw->length : 0x100; } else { struct scsi_rw_10 *rw = (struct scsi_rw_10 *)cmdp; blockno = scsi_4btoul(rw->addr); blockcnt = scsi_2btoul(rw->length); } gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKNO, blockno); gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKCNT, blockcnt); /* * If we have any data to send with this command, * map it into bus space. */ /* Only use S/G if there is a transfer */ if ((ccb->ccb_h.flags & CAM_SCATTER_VALID) == 0) { if ((ccb->ccb_h.flags & CAM_DATA_PHYS) == 0) { int s; int error; /* vorher unlock von splcam() ??? */ s = splsoftvm(); error = bus_dmamap_load(gdt->sc_buffer_dmat, gccb->gc_dmamap, ccb->csio.data_ptr, ccb->csio.dxfer_len, gdtexecuteccb, gccb, /*flags*/0); if (error == EINPROGRESS) { xpt_freeze_simq(sim, 1); gccb->gc_state |= CAM_RELEASE_SIMQ; } splx(s); } else { struct bus_dma_segment seg; /* Pointer to physical buffer */ seg.ds_addr = (bus_addr_t)ccb->csio.data_ptr; seg.ds_len = ccb->csio.dxfer_len; gdtexecuteccb(gccb, &seg, 1, 0); } } else { struct bus_dma_segment *segs; if ((ccb->ccb_h.flags & CAM_DATA_PHYS) != 0) panic("iir%d: iir_action - Physical " "segment pointers unsupported", gdt->sc_hanum); if ((ccb->ccb_h.flags & CAM_SG_LIST_PHYS)==0) panic("iir%d: iir_action - Virtual " "segment addresses unsupported", gdt->sc_hanum); /* Just use the segments provided */ segs = (struct bus_dma_segment *)ccb->csio.data_ptr; gdtexecuteccb(gccb, segs, ccb->csio.sglist_cnt, 0); } *lock = splcam(); return (gccb); } static struct gdt_ccb * gdt_ioctl_cmd(struct gdt_softc *gdt, gdt_ucmd_t *ucmd, int *lock) { struct gdt_ccb *gccb; u_int32_t cnt; GDT_DPRINTF(GDT_D_DEBUG, ("gdt_ioctl_cmd(%p, %p)\n", gdt, ucmd)); bzero(gdt->sc_cmd, GDT_CMD_SZ); gccb = gdt_get_ccb(gdt); if (gccb == NULL) { GDT_DPRINTF(GDT_D_DEBUG, ("iir%d: No free command index found\n", gdt->sc_hanum)); return (gccb); } gccb->gc_ucmd = ucmd; gccb->gc_service = ucmd->service; gccb->gc_flags = GDT_GCF_IOCTL; /* check DPMEM space, copy data buffer from user space */ if (ucmd->service == GDT_CACHESERVICE) { if (ucmd->OpCode == GDT_IOCTL) { gdt->sc_cmd_len = roundup(GDT_CMD_UNION + GDT_IOCTL_SZ, sizeof(u_int32_t)); cnt = ucmd->u.ioctl.param_size; if (cnt > GDT_SCRATCH_SZ) { printf("iir%d: Scratch buffer too small (%d/%d)\n", gdt->sc_hanum, GDT_SCRATCH_SZ, cnt); gdt_free_ccb(gdt, gccb); return (NULL); } } else { gdt->sc_cmd_len = roundup(GDT_CMD_UNION + GDT_CACHE_SG_LST + GDT_SG_SZ, sizeof(u_int32_t)); cnt = ucmd->u.cache.BlockCnt * GDT_SECTOR_SIZE; if (cnt > GDT_SCRATCH_SZ) { printf("iir%d: Scratch buffer too small (%d/%d)\n", gdt->sc_hanum, GDT_SCRATCH_SZ, cnt); gdt_free_ccb(gdt, gccb); return (NULL); } } } else { gdt->sc_cmd_len = roundup(GDT_CMD_UNION + GDT_RAW_SG_LST + GDT_SG_SZ, sizeof(u_int32_t)); cnt = ucmd->u.raw.sdlen; if (cnt + ucmd->u.raw.sense_len > GDT_SCRATCH_SZ) { printf("iir%d: Scratch buffer too small (%d/%d)\n", gdt->sc_hanum, GDT_SCRATCH_SZ, cnt + ucmd->u.raw.sense_len); gdt_free_ccb(gdt, gccb); return (NULL); } } if (cnt != 0) bcopy(ucmd->data, gccb->gc_scratch, cnt); if (gdt->sc_cmd_off + gdt->sc_cmd_len + GDT_DPMEM_COMMAND_OFFSET > gdt->sc_ic_all_size) { GDT_DPRINTF(GDT_D_INVALID, ("iir%d: gdt_ioctl_cmd(): DPMEM overflow\n", gdt->sc_hanum)); gdt_free_ccb(gdt, gccb); return (NULL); } if (gdt->sc_cmd_cnt == 0) gdt->sc_set_sema0(gdt); splx(*lock); /* fill cmd structure */ gdt_enc32(gdt->sc_cmd + GDT_CMD_COMMANDINDEX, gccb->gc_cmd_index); gdt_enc16(gdt->sc_cmd + GDT_CMD_OPCODE, ucmd->OpCode); if (ucmd->service == GDT_CACHESERVICE) { if (ucmd->OpCode == GDT_IOCTL) { /* IOCTL */ gdt_enc16(gdt->sc_cmd + GDT_CMD_UNION + GDT_IOCTL_PARAM_SIZE, ucmd->u.ioctl.param_size); gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_IOCTL_SUBFUNC, ucmd->u.ioctl.subfunc); gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_IOCTL_CHANNEL, ucmd->u.ioctl.channel); gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_IOCTL_P_PARAM, gdt_ccb_vtop(gdt, gccb) + offsetof(struct gdt_ccb, gc_scratch[0])); } else { /* cache service command */ gdt_enc16(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_DEVICENO, ucmd->u.cache.DeviceNo); gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKNO, ucmd->u.cache.BlockNo); gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_BLOCKCNT, ucmd->u.cache.BlockCnt); gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_DESTADDR, 0xffffffffUL); gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_CANZ, 1); gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST + GDT_SG_PTR, gdt_ccb_vtop(gdt, gccb) + offsetof(struct gdt_ccb, gc_scratch[0])); gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST + GDT_SG_LEN, ucmd->u.cache.BlockCnt * GDT_SECTOR_SIZE); } } else { /* raw service command */ gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_DIRECTION, ucmd->u.raw.direction); gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SDATA, 0xffffffffUL); gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SDLEN, ucmd->u.raw.sdlen); gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_CLEN, ucmd->u.raw.clen); bcopy(ucmd->u.raw.cmd, gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_CMD, 12); gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_TARGET] = ucmd->u.raw.target; gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_LUN] = ucmd->u.raw.lun; gdt->sc_cmd[GDT_CMD_UNION + GDT_RAW_BUS] = ucmd->u.raw.bus; gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_LEN, ucmd->u.raw.sense_len); gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SENSE_DATA, gdt_ccb_vtop(gdt, gccb) + offsetof(struct gdt_ccb, gc_scratch[ucmd->u.raw.sdlen])); gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SG_RANZ, 1); gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST + GDT_SG_PTR, gdt_ccb_vtop(gdt, gccb) + offsetof(struct gdt_ccb, gc_scratch[0])); gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST + GDT_SG_LEN, ucmd->u.raw.sdlen); } *lock = splcam(); gdt_stat.sg_count_act = 1; gdt->sc_copy_cmd(gdt, gccb); return (gccb); } static void gdt_internal_cache_cmd(struct gdt_softc *gdt,union ccb *ccb) { int t; t = ccb->ccb_h.target_id; GDT_DPRINTF(GDT_D_CMD, ("gdt_internal_cache_cmd(%p, %p, 0x%x, %d)\n", gdt, ccb, ccb->csio.cdb_io.cdb_bytes[0], t)); switch (ccb->csio.cdb_io.cdb_bytes[0]) { case TEST_UNIT_READY: case START_STOP: break; case REQUEST_SENSE: GDT_DPRINTF(GDT_D_MISC, ("REQUEST_SENSE\n")); break; case INQUIRY: { struct scsi_inquiry_data *inq; inq = (struct scsi_inquiry_data *)ccb->csio.data_ptr; bzero(inq, sizeof(struct scsi_inquiry_data)); inq->device = (gdt->sc_hdr[t].hd_devtype & 4) ? T_CDROM : T_DIRECT; inq->dev_qual2 = (gdt->sc_hdr[t].hd_devtype & 1) ? 0x80 : 0; inq->version = SCSI_REV_2; inq->response_format = 2; inq->additional_length = 32; inq->flags = SID_CmdQue | SID_Sync; strcpy(inq->vendor, "IIR "); sprintf(inq->product, "Host Drive #%02d", t); strcpy(inq->revision, " "); break; } case MODE_SENSE_6: { struct mpd_data { struct scsi_mode_hdr_6 hd; struct scsi_mode_block_descr bd; struct scsi_control_page cp; } *mpd; u_int8_t page; mpd = (struct mpd_data *)ccb->csio.data_ptr; bzero(mpd, sizeof(struct mpd_data)); mpd->hd.datalen = sizeof(struct scsi_mode_hdr_6) + sizeof(struct scsi_mode_block_descr); mpd->hd.dev_specific = (gdt->sc_hdr[t].hd_devtype & 2) ? 0x80 : 0; mpd->hd.block_descr_len = sizeof(struct scsi_mode_block_descr); mpd->bd.block_len[0] = (GDT_SECTOR_SIZE & 0x00ff0000) >> 16; mpd->bd.block_len[1] = (GDT_SECTOR_SIZE & 0x0000ff00) >> 8; mpd->bd.block_len[2] = (GDT_SECTOR_SIZE & 0x000000ff); page=((struct scsi_mode_sense_6 *)ccb->csio.cdb_io.cdb_bytes)->page; switch (page) { default: GDT_DPRINTF(GDT_D_MISC, ("MODE_SENSE_6: page 0x%x\n", page)); break; } break; } case READ_CAPACITY: { struct scsi_read_capacity_data *rcd; rcd = (struct scsi_read_capacity_data *)ccb->csio.data_ptr; bzero(rcd, sizeof(struct scsi_read_capacity_data)); scsi_ulto4b(gdt->sc_hdr[t].hd_size - 1, rcd->addr); scsi_ulto4b(GDT_SECTOR_SIZE, rcd->length); break; } default: GDT_DPRINTF(GDT_D_MISC, ("gdt_internal_cache_cmd(%d) unknown\n", ccb->csio.cdb_io.cdb_bytes[0])); break; } ccb->ccb_h.status = CAM_REQ_CMP; --gdt_stat.io_count_act; xpt_done(ccb); } static void gdtmapmem(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error) { bus_addr_t *busaddrp; busaddrp = (bus_addr_t *)arg; *busaddrp = dm_segs->ds_addr; } static void gdtexecuteccb(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error) { struct gdt_ccb *gccb; union ccb *ccb; struct gdt_softc *gdt; int i, lock; lock = splcam(); gccb = (struct gdt_ccb *)arg; ccb = gccb->gc_ccb; gdt = cam_sim_softc((struct cam_sim *)ccb->ccb_h.ccb_sim_ptr); GDT_DPRINTF(GDT_D_CMD, ("gdtexecuteccb(%p, %p, %p, %d, %d)\n", gdt, gccb, dm_segs, nseg, error)); gdt_stat.sg_count_act = nseg; if (nseg > gdt_stat.sg_count_max) gdt_stat.sg_count_max = nseg; /* Copy the segments into our SG list */ if (gccb->gc_service == GDT_CACHESERVICE) { for (i = 0; i < nseg; ++i) { gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST + i * GDT_SG_SZ + GDT_SG_PTR, dm_segs->ds_addr); gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_LST + i * GDT_SG_SZ + GDT_SG_LEN, dm_segs->ds_len); dm_segs++; } gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_SG_CANZ, nseg); gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_CACHE_DESTADDR, 0xffffffffUL); gdt->sc_cmd_len = roundup(GDT_CMD_UNION + GDT_CACHE_SG_LST + nseg * GDT_SG_SZ, sizeof(u_int32_t)); } else { for (i = 0; i < nseg; ++i) { gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST + i * GDT_SG_SZ + GDT_SG_PTR, dm_segs->ds_addr); gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SG_LST + i * GDT_SG_SZ + GDT_SG_LEN, dm_segs->ds_len); dm_segs++; } gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SG_RANZ, nseg); gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_RAW_SDATA, 0xffffffffUL); gdt->sc_cmd_len = roundup(GDT_CMD_UNION + GDT_RAW_SG_LST + nseg * GDT_SG_SZ, sizeof(u_int32_t)); } if (nseg != 0) { bus_dmasync_op_t op; if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) op = BUS_DMASYNC_PREREAD; else op = BUS_DMASYNC_PREWRITE; bus_dmamap_sync(gdt->sc_buffer_dmat, gccb->gc_dmamap, op); } /* We must NOT abort the command here if CAM_REQ_INPROG is not set, * because command semaphore is already set! */ ccb->ccb_h.status |= CAM_SIM_QUEUED; /* timeout handling */ ccb->ccb_h.timeout_ch = timeout(iir_timeout, (caddr_t)gccb, (ccb->ccb_h.timeout * hz) / 1000); gdt->sc_copy_cmd(gdt, gccb); splx(lock); } static void iir_action( struct cam_sim *sim, union ccb *ccb ) { struct gdt_softc *gdt; int lock, bus, target, lun; gdt = (struct gdt_softc *)cam_sim_softc( sim ); ccb->ccb_h.ccb_sim_ptr = sim; bus = cam_sim_bus(sim); target = ccb->ccb_h.target_id; lun = ccb->ccb_h.target_lun; GDT_DPRINTF(GDT_D_CMD, ("iir_action(%p) func 0x%x cmd 0x%x bus %d target %d lun %d\n", gdt, ccb->ccb_h.func_code, ccb->csio.cdb_io.cdb_bytes[0], bus, target, lun)); ++gdt_stat.io_count_act; if (gdt_stat.io_count_act > gdt_stat.io_count_max) gdt_stat.io_count_max = gdt_stat.io_count_act; switch (ccb->ccb_h.func_code) { case XPT_SCSI_IO: lock = splcam(); TAILQ_INSERT_TAIL(&gdt->sc_ccb_queue, &ccb->ccb_h, sim_links.tqe); ++gdt_stat.req_queue_act; if (gdt_stat.req_queue_act > gdt_stat.req_queue_max) gdt_stat.req_queue_max = gdt_stat.req_queue_act; splx(lock); gdt_next(gdt); break; case XPT_RESET_DEV: /* Bus Device Reset the specified SCSI device */ case XPT_ABORT: /* Abort the specified CCB */ /* XXX Implement */ ccb->ccb_h.status = CAM_REQ_INVALID; --gdt_stat.io_count_act; xpt_done(ccb); break; case XPT_SET_TRAN_SETTINGS: ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; --gdt_stat.io_count_act; xpt_done(ccb); break; case XPT_GET_TRAN_SETTINGS: /* Get default/user set transfer settings for the target */ { struct ccb_trans_settings *cts; u_int target_mask; cts = &ccb->cts; target_mask = 0x01 << target; if ((cts->flags & CCB_TRANS_USER_SETTINGS) != 0) { cts->flags = CCB_TRANS_DISC_ENB|CCB_TRANS_TAG_ENB; cts->bus_width = MSG_EXT_WDTR_BUS_16_BIT; cts->sync_period = 25; /* 10MHz */ if (cts->sync_period != 0) cts->sync_offset = 15; cts->valid = CCB_TRANS_SYNC_RATE_VALID | CCB_TRANS_SYNC_OFFSET_VALID | CCB_TRANS_BUS_WIDTH_VALID | CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID; ccb->ccb_h.status = CAM_REQ_CMP; } else { ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; } --gdt_stat.io_count_act; xpt_done(ccb); break; } case XPT_CALC_GEOMETRY: { struct ccb_calc_geometry *ccg; u_int32_t secs_per_cylinder; ccg = &ccb->ccg; ccg->heads = gdt->sc_hdr[target].hd_heads; ccg->secs_per_track = gdt->sc_hdr[target].hd_secs; secs_per_cylinder = ccg->heads * ccg->secs_per_track; ccg->cylinders = ccg->volume_size / secs_per_cylinder; ccb->ccb_h.status = CAM_REQ_CMP; --gdt_stat.io_count_act; xpt_done(ccb); break; } case XPT_RESET_BUS: /* Reset the specified SCSI bus */ { /* XXX Implement */ ccb->ccb_h.status = CAM_REQ_CMP; --gdt_stat.io_count_act; xpt_done(ccb); break; } case XPT_TERM_IO: /* Terminate the I/O process */ /* XXX Implement */ ccb->ccb_h.status = CAM_REQ_INVALID; --gdt_stat.io_count_act; xpt_done(ccb); break; case XPT_PATH_INQ: /* Path routing inquiry */ { struct ccb_pathinq *cpi = &ccb->cpi; cpi->version_num = 1; cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE; cpi->hba_inquiry |= PI_WIDE_16; cpi->target_sprt = 1; cpi->hba_misc = 0; cpi->hba_eng_cnt = 0; if (bus == gdt->sc_virt_bus) cpi->max_target = GDT_MAX_HDRIVES - 1; else if (gdt->sc_class & GDT_FC) cpi->max_target = GDT_MAXID_FC - 1; else cpi->max_target = GDT_MAXID - 1; cpi->max_lun = 7; cpi->unit_number = cam_sim_unit(sim); cpi->bus_id = bus; cpi->initiator_id = (bus == gdt->sc_virt_bus ? 127 : gdt->sc_bus_id[bus]); cpi->base_transfer_speed = 3300; strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); strncpy(cpi->hba_vid, "Intel Corp.", HBA_IDLEN); strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); cpi->ccb_h.status = CAM_REQ_CMP; --gdt_stat.io_count_act; xpt_done(ccb); break; } default: GDT_DPRINTF(GDT_D_INVALID, ("gdt_next(%p) cmd 0x%x invalid\n", gdt, ccb->ccb_h.func_code)); ccb->ccb_h.status = CAM_REQ_INVALID; --gdt_stat.io_count_act; xpt_done(ccb); break; } } static void iir_poll( struct cam_sim *sim ) { struct gdt_softc *gdt; gdt = (struct gdt_softc *)cam_sim_softc( sim ); GDT_DPRINTF(GDT_D_CMD, ("iir_poll sim %p gdt %p\n", sim, gdt)); iir_intr(gdt); } static void iir_timeout(void *arg) { GDT_DPRINTF(GDT_D_TIMEOUT, ("iir_timeout(%p)\n", arg)); } static void iir_watchdog(void *arg) { struct gdt_softc *gdt; gdt = (struct gdt_softc *)arg; GDT_DPRINTF(GDT_D_DEBUG, ("iir_watchdog(%p)\n", gdt)); { int ccbs = 0, ucmds = 0, frees = 0, pends = 0; struct gdt_ccb *p; struct ccb_hdr *h; struct gdt_ucmd *u; for (h = TAILQ_FIRST(&gdt->sc_ccb_queue); h != NULL; h = TAILQ_NEXT(h, sim_links.tqe)) ccbs++; for (u = TAILQ_FIRST(&gdt->sc_ucmd_queue); u != NULL; u = TAILQ_NEXT(u, links)) ucmds++; for (p = SLIST_FIRST(&gdt->sc_free_gccb); p != NULL; p = SLIST_NEXT(p, sle)) frees++; for (p = SLIST_FIRST(&gdt->sc_pending_gccb); p != NULL; p = SLIST_NEXT(p, sle)) pends++; GDT_DPRINTF(GDT_D_TIMEOUT, ("ccbs %d ucmds %d frees %d pends %d\n", ccbs, ucmds, frees, pends)); } timeout(iir_watchdog, (caddr_t)gdt, hz * 15); } static void iir_shutdown( void *arg, int howto ) { struct gdt_softc *gdt; struct gdt_ccb *gccb; gdt_ucmd_t *ucmd; int lock, i; gdt = (struct gdt_softc *)arg; GDT_DPRINTF(GDT_D_CMD, ("iir_shutdown(%p, %d)\n", gdt, howto)); printf("iir%d: Flushing all Host Drives. Please wait ... ", gdt->sc_hanum); /* allocate ucmd buffer */ ucmd = malloc(sizeof(gdt_ucmd_t), M_DEVBUF, M_NOWAIT); if (ucmd == NULL) { printf("iir%d: iir_shutdown(): Cannot allocate resource\n", gdt->sc_hanum); return; } bzero(ucmd, sizeof(gdt_ucmd_t)); /* wait for pending IOs */ lock = splcam(); gdt->sc_state = GDT_SHUTDOWN; splx(lock); if ((gccb = SLIST_FIRST(&gdt->sc_pending_gccb)) != NULL) (void) tsleep((void *)gccb, PCATCH | PRIBIO, "iirshw", 100 * hz); /* flush */ for (i = 0; i < GDT_MAX_HDRIVES; ++i) { if (gdt->sc_hdr[i].hd_present) { ucmd->service = GDT_CACHESERVICE; ucmd->OpCode = GDT_FLUSH; ucmd->u.cache.DeviceNo = i; lock = splcam(); TAILQ_INSERT_TAIL(&gdt->sc_ucmd_queue, ucmd, links); ucmd->complete_flag = FALSE; splx(lock); gdt_next(gdt); if (!ucmd->complete_flag) (void) tsleep((void *)ucmd, PCATCH|PRIBIO, "iirshw", 10*hz); } } free(ucmd, M_DEVBUF); printf("Done.\n"); } void iir_intr(void *arg) { struct gdt_softc *gdt = arg; struct gdt_intr_ctx ctx; int lock = 0; struct gdt_ccb *gccb; gdt_ucmd_t *ucmd; u_int32_t cnt; GDT_DPRINTF(GDT_D_INTR, ("gdt_intr(%p)\n", gdt)); /* If polling and we were not called from gdt_wait, just return */ if ((gdt->sc_state & GDT_POLLING) && !(gdt->sc_state & GDT_POLL_WAIT)) return; if (!(gdt->sc_state & GDT_POLLING)) lock = splcam(); gdt_wait_index = 0; ctx.istatus = gdt->sc_get_status(gdt); if (!ctx.istatus) { if (!(gdt->sc_state & GDT_POLLING)) splx(lock); gdt->sc_status = GDT_S_NO_STATUS; return; } gdt->sc_intr(gdt, &ctx); gdt->sc_status = ctx.cmd_status; gdt->sc_service = ctx.service; gdt->sc_info = ctx.info; gdt->sc_info2 = ctx.info2; if (gdt->sc_state & GDT_POLL_WAIT) { gdt_wait_gdt = gdt; gdt_wait_index = ctx.istatus; } if (ctx.istatus == GDT_ASYNCINDEX) { gdt_async_event(gdt, ctx.service); if (!(gdt->sc_state & GDT_POLLING)) splx(lock); return; } if (ctx.istatus == GDT_SPEZINDEX) { GDT_DPRINTF(GDT_D_INVALID, ("iir%d: Service unknown or not initialized!\n", gdt->sc_hanum)); gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.driver); gdt->sc_dvr.eu.driver.ionode = gdt->sc_hanum; gdt_store_event(GDT_ES_DRIVER, 4, &gdt->sc_dvr); if (!(gdt->sc_state & GDT_POLLING)) splx(lock); return; } gccb = &gdt->sc_gccbs[ctx.istatus - 2]; ctx.service = gccb->gc_service; switch (gccb->gc_flags) { case GDT_GCF_UNUSED: GDT_DPRINTF(GDT_D_INVALID, ("iir%d: Index (%d) to unused command!\n", gdt->sc_hanum, ctx.istatus)); gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.driver); gdt->sc_dvr.eu.driver.ionode = gdt->sc_hanum; gdt->sc_dvr.eu.driver.index = ctx.istatus; gdt_store_event(GDT_ES_DRIVER, 1, &gdt->sc_dvr); gdt_free_ccb(gdt, gccb); /* fallthrough */ case GDT_GCF_INTERNAL: if (!(gdt->sc_state & GDT_POLLING)) splx(lock); break; case GDT_GCF_IOCTL: ucmd = gccb->gc_ucmd; if (gdt->sc_status == GDT_S_BSY) { GDT_DPRINTF(GDT_D_DEBUG, ("iir_intr(%p) ioctl: gccb %p busy\n", gdt, gccb)); TAILQ_INSERT_HEAD(&gdt->sc_ucmd_queue, ucmd, links); if (!(gdt->sc_state & GDT_POLLING)) splx(lock); } else { ucmd->status = gdt->sc_status; ucmd->info = gdt->sc_info; ucmd->complete_flag = TRUE; if (ucmd->service == GDT_CACHESERVICE) { if (ucmd->OpCode == GDT_IOCTL) { cnt = ucmd->u.ioctl.param_size; if (cnt != 0) bcopy(gccb->gc_scratch, ucmd->data, cnt); } else { cnt = ucmd->u.cache.BlockCnt * GDT_SECTOR_SIZE; if (cnt != 0) bcopy(gccb->gc_scratch, ucmd->data, cnt); } } else { cnt = ucmd->u.raw.sdlen; if (cnt != 0) bcopy(gccb->gc_scratch, ucmd->data, cnt); if (ucmd->u.raw.sense_len != 0) bcopy(gccb->gc_scratch, ucmd->data, cnt); } gdt_free_ccb(gdt, gccb); if (!(gdt->sc_state & GDT_POLLING)) splx(lock); /* wakeup */ wakeup(ucmd); } gdt_next(gdt); break; default: gdt_free_ccb(gdt, gccb); gdt_sync_event(gdt, ctx.service, ctx.istatus, gccb); if (!(gdt->sc_state & GDT_POLLING)) splx(lock); gdt_next(gdt); break; } } int gdt_async_event(struct gdt_softc *gdt, int service) { struct gdt_ccb *gccb; GDT_DPRINTF(GDT_D_INTR, ("gdt_async_event(%p, %d)\n", gdt, service)); if (service == GDT_SCREENSERVICE) { if (gdt->sc_status == GDT_MSG_REQUEST) { while (gdt->sc_test_busy(gdt)) DELAY(1); bzero(gdt->sc_cmd, GDT_CMD_SZ); gccb = gdt_get_ccb(gdt); if (gccb == NULL) { printf("iir%d: No free command index found\n", gdt->sc_hanum); return (1); } gccb->gc_service = service; gccb->gc_flags = GDT_GCF_SCREEN; gdt->sc_set_sema0(gdt); gdt_enc32(gdt->sc_cmd + GDT_CMD_COMMANDINDEX, gccb->gc_cmd_index); gdt_enc16(gdt->sc_cmd + GDT_CMD_OPCODE, GDT_READ); gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_HANDLE, GDT_MSG_INV_HANDLE); gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_ADDR, gdt_ccb_vtop(gdt, gccb) + offsetof(struct gdt_ccb, gc_scratch[0])); gdt->sc_cmd_off = 0; gdt->sc_cmd_len = roundup(GDT_CMD_UNION + GDT_SCREEN_SZ, sizeof(u_int32_t)); gdt->sc_cmd_cnt = 0; gdt->sc_copy_cmd(gdt, gccb); printf("iir%d: [PCI %d/%d] ", gdt->sc_hanum,gdt->sc_bus,gdt->sc_slot); gdt->sc_release_event(gdt); } } else { if ((gdt->sc_fw_vers & 0xff) >= 0x1a) { gdt->sc_dvr.size = 0; gdt->sc_dvr.eu.async.ionode = gdt->sc_hanum; gdt->sc_dvr.eu.async.status = gdt->sc_status; /* severity and event_string already set! */ } else { gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.async); gdt->sc_dvr.eu.async.ionode = gdt->sc_hanum; gdt->sc_dvr.eu.async.service = service; gdt->sc_dvr.eu.async.status = gdt->sc_status; gdt->sc_dvr.eu.async.info = gdt->sc_info; *(u_int32_t *)gdt->sc_dvr.eu.async.scsi_coord = gdt->sc_info2; } gdt_store_event(GDT_ES_ASYNC, service, &gdt->sc_dvr); printf("iir%d: %s\n", gdt->sc_hanum, gdt->sc_dvr.event_string); } return (0); } int gdt_sync_event(struct gdt_softc *gdt, int service, u_int8_t index, struct gdt_ccb *gccb) { union ccb *ccb; bus_dmasync_op_t op; GDT_DPRINTF(GDT_D_INTR, ("gdt_sync_event(%p, %d, %d, %p)\n", gdt,service,index,gccb)); ccb = gccb->gc_ccb; if (service == GDT_SCREENSERVICE) { u_int32_t msg_len; msg_len = gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_LEN); if (msg_len) if (!(gccb->gc_scratch[GDT_SCR_MSG_ANSWER] && gccb->gc_scratch[GDT_SCR_MSG_EXT])) { gccb->gc_scratch[GDT_SCR_MSG_TEXT + msg_len] = '\0'; printf("%s",&gccb->gc_scratch[GDT_SCR_MSG_TEXT]); } if (gccb->gc_scratch[GDT_SCR_MSG_EXT] && !gccb->gc_scratch[GDT_SCR_MSG_ANSWER]) { while (gdt->sc_test_busy(gdt)) DELAY(1); bzero(gdt->sc_cmd, GDT_CMD_SZ); gccb = gdt_get_ccb(gdt); if (gccb == NULL) { printf("iir%d: No free command index found\n", gdt->sc_hanum); return (1); } gccb->gc_service = service; gccb->gc_flags = GDT_GCF_SCREEN; gdt->sc_set_sema0(gdt); gdt_enc32(gdt->sc_cmd + GDT_CMD_COMMANDINDEX, gccb->gc_cmd_index); gdt_enc16(gdt->sc_cmd + GDT_CMD_OPCODE, GDT_READ); gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_HANDLE, gccb->gc_scratch[GDT_SCR_MSG_HANDLE]); gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_ADDR, gdt_ccb_vtop(gdt, gccb) + offsetof(struct gdt_ccb, gc_scratch[0])); gdt->sc_cmd_off = 0; gdt->sc_cmd_len = roundup(GDT_CMD_UNION + GDT_SCREEN_SZ, sizeof(u_int32_t)); gdt->sc_cmd_cnt = 0; gdt->sc_copy_cmd(gdt, gccb); gdt->sc_release_event(gdt); return (0); } if (gccb->gc_scratch[GDT_SCR_MSG_ANSWER] && gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_ALEN)) { /* default answers (getchar() not possible) */ if (gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_ALEN) == 1) { gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_ALEN, 0); gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_LEN, 1); gccb->gc_scratch[GDT_SCR_MSG_TEXT] = 0; } else { gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_ALEN, gdt_dec32(gccb->gc_scratch + GDT_SCR_MSG_ALEN) - 2); gdt_enc32(gccb->gc_scratch + GDT_SCR_MSG_LEN, 2); gccb->gc_scratch[GDT_SCR_MSG_TEXT] = 1; gccb->gc_scratch[GDT_SCR_MSG_TEXT + 1] = 0; } gccb->gc_scratch[GDT_SCR_MSG_EXT] = 0; gccb->gc_scratch[GDT_SCR_MSG_ANSWER] = 0; while (gdt->sc_test_busy(gdt)) DELAY(1); bzero(gdt->sc_cmd, GDT_CMD_SZ); gccb = gdt_get_ccb(gdt); if (gccb == NULL) { printf("iir%d: No free command index found\n", gdt->sc_hanum); return (1); } gccb->gc_service = service; gccb->gc_flags = GDT_GCF_SCREEN; gdt->sc_set_sema0(gdt); gdt_enc32(gdt->sc_cmd + GDT_CMD_COMMANDINDEX, gccb->gc_cmd_index); gdt_enc16(gdt->sc_cmd + GDT_CMD_OPCODE, GDT_WRITE); gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_HANDLE, gccb->gc_scratch[GDT_SCR_MSG_HANDLE]); gdt_enc32(gdt->sc_cmd + GDT_CMD_UNION + GDT_SCREEN_MSG_ADDR, gdt_ccb_vtop(gdt, gccb) + offsetof(struct gdt_ccb, gc_scratch[0])); gdt->sc_cmd_off = 0; gdt->sc_cmd_len = roundup(GDT_CMD_UNION + GDT_SCREEN_SZ, sizeof(u_int32_t)); gdt->sc_cmd_cnt = 0; gdt->sc_copy_cmd(gdt, gccb); gdt->sc_release_event(gdt); return (0); } printf("\n"); return (0); } else { untimeout(iir_timeout, gccb, ccb->ccb_h.timeout_ch); if (gdt->sc_status == GDT_S_BSY) { GDT_DPRINTF(GDT_D_DEBUG, ("gdt_sync_event(%p) gccb %p busy\n", gdt, gccb)); TAILQ_INSERT_HEAD(&gdt->sc_ccb_queue, &ccb->ccb_h, sim_links.tqe); ++gdt_stat.req_queue_act; if (gdt_stat.req_queue_act > gdt_stat.req_queue_max) gdt_stat.req_queue_max = gdt_stat.req_queue_act; return (2); } if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) op = BUS_DMASYNC_POSTREAD; else op = BUS_DMASYNC_POSTWRITE; bus_dmamap_sync(gdt->sc_buffer_dmat, gccb->gc_dmamap, op); ccb->csio.resid = 0; if (gdt->sc_status == GDT_S_OK) { ccb->ccb_h.status = CAM_REQ_CMP; } else { /* error */ if (gccb->gc_service == GDT_CACHESERVICE) { ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR | CAM_AUTOSNS_VALID; ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND; bzero(&ccb->csio.sense_data, ccb->csio.sense_len); ccb->csio.sense_data.error_code = SSD_CURRENT_ERROR | SSD_ERRCODE_VALID; ccb->csio.sense_data.flags = SSD_KEY_NOT_READY; gdt->sc_dvr.size = sizeof(gdt->sc_dvr.eu.sync); gdt->sc_dvr.eu.sync.ionode = gdt->sc_hanum; gdt->sc_dvr.eu.sync.service = service; gdt->sc_dvr.eu.sync.status = gdt->sc_status; gdt->sc_dvr.eu.sync.info = gdt->sc_info; gdt->sc_dvr.eu.sync.hostdrive = ccb->ccb_h.target_id; if (gdt->sc_status >= 0x8000) gdt_store_event(GDT_ES_SYNC, 0, &gdt->sc_dvr); else gdt_store_event(GDT_ES_SYNC, service, &gdt->sc_dvr); } else { /* raw service */ if (gdt->sc_status != GDT_S_RAW_SCSI || gdt->sc_info >= 0x100) { ccb->ccb_h.status = CAM_SEL_TIMEOUT; } else { ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR|CAM_AUTOSNS_VALID; ccb->csio.scsi_status = gdt->sc_info; bcopy(gccb->gc_scratch, &ccb->csio.sense_data, ccb->csio.sense_len); } } } --gdt_stat.io_count_act; xpt_done(ccb); } return (0); } /* Controller event handling functions */ gdt_evt_str *gdt_store_event(u_int16_t source, u_int16_t idx, gdt_evt_data *evt) { gdt_evt_str *e; struct timeval tv; GDT_DPRINTF(GDT_D_MISC, ("gdt_store_event(%d, %d)\n", source, idx)); if (source == 0) /* no source -> no event */ return 0; if (ebuffer[elastidx].event_source == source && ebuffer[elastidx].event_idx == idx && ((evt->size != 0 && ebuffer[elastidx].event_data.size != 0 && !memcmp((char *)&ebuffer[elastidx].event_data.eu, (char *)&evt->eu, evt->size)) || (evt->size == 0 && ebuffer[elastidx].event_data.size == 0 && !strcmp((char *)&ebuffer[elastidx].event_data.event_string, (char *)&evt->event_string)))) { e = &ebuffer[elastidx]; getmicrotime(&tv); e->last_stamp = tv.tv_sec; ++e->same_count; } else { if (ebuffer[elastidx].event_source != 0) { /* entry not free ? */ ++elastidx; if (elastidx == GDT_MAX_EVENTS) elastidx = 0; if (elastidx == eoldidx) { /* reached mark ? */ ++eoldidx; if (eoldidx == GDT_MAX_EVENTS) eoldidx = 0; } } e = &ebuffer[elastidx]; e->event_source = source; e->event_idx = idx; getmicrotime(&tv); e->first_stamp = e->last_stamp = tv.tv_sec; e->same_count = 1; e->event_data = *evt; e->application = 0; } return e; } int gdt_read_event(int handle, gdt_evt_str *estr) { gdt_evt_str *e; int eindex, lock; GDT_DPRINTF(GDT_D_MISC, ("gdt_read_event(%d)\n", handle)); lock = splcam(); if (handle == -1) eindex = eoldidx; else eindex = handle; estr->event_source = 0; if (eindex >= GDT_MAX_EVENTS) { splx(lock); return eindex; } e = &ebuffer[eindex]; if (e->event_source != 0) { if (eindex != elastidx) { if (++eindex == GDT_MAX_EVENTS) eindex = 0; } else { eindex = -1; } memcpy(estr, e, sizeof(gdt_evt_str)); } splx(lock); return eindex; } void gdt_readapp_event(u_int8_t application, gdt_evt_str *estr) { gdt_evt_str *e; int found = FALSE; int eindex, lock; GDT_DPRINTF(GDT_D_MISC, ("gdt_readapp_event(%d)\n", application)); lock = splcam(); eindex = eoldidx; for (;;) { e = &ebuffer[eindex]; if (e->event_source == 0) break; if ((e->application & application) == 0) { e->application |= application; found = TRUE; break; } if (eindex == elastidx) break; if (++eindex == GDT_MAX_EVENTS) eindex = 0; } if (found) memcpy(estr, e, sizeof(gdt_evt_str)); else estr->event_source = 0; splx(lock); } void gdt_clear_events() { GDT_DPRINTF(GDT_D_MISC, ("gdt_clear_events\n")); eoldidx = elastidx = 0; ebuffer[0].event_source = 0; }